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Note 2 - Investments (Tables) | 9 Months Ended
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Sep. 30, 2024
Notes Tables |
Investment [Table Text Block] |
|  | September 30, 2024 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Estimated |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |  |  |  |  |
SECURITIES AVAILABLE-FOR-SALE |  | Cost |  |  | Gains |  |  | Losses |  |  | Values |  |  | ACL |
U.S. agency securities |  | $ | 20,242 |  |  | $ | 30 |  |  | $ | (2,590 | ) |  | $ | 17,682 |  |  | $ | — |
Corporate securities |  |  | 16,000 |  |  |  | 140 |  |  |  | (736 | ) |  |  | 15,404 |  |  |  | — |
Municipal bonds |  |  | 83,060 |  |  |  | 4 |  |  |  | (10,738 | ) |  |  | 72,326 |  |  |  | — |
Mortgage-backed securities |  |  | 120,136 |  |  |  | 261 |  |  |  | (9,478 | ) |  |  | 110,919 |  |  |  | — |
U.S. Small Business Administration securities |  |  | 12,834 |  |  |  | 4 |  |  |  | (970 | ) |  |  | 11,868 |  |  |  | — |
Total securities available-for-sale |  |  | 252,272 |  |  |  | 439 |  |  |  | (24,512 | ) |  |  | 228,199 |  |  |  | — |
SECURITIES HELD-TO-MATURITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate securities |  |  | 8,500 |  |  |  | — |  |  |  | (517 | ) |  |  | 7,983 |  |  |  | 45 |
Total securities held-to-maturity |  |  | 8,500 |  |  |  | — |  |  |  | (517 | ) |  |  | 7,983 |  |  |  | 45 |
Total securities |  | $ | 260,772 |  |  | $ | 439 |  |  | $ | (25,029 | ) |  | $ | 236,182 |  |  | $ | 45 |
|  | December 31, 2023 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Estimated |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |  |  |  |  |
SECURITIES AVAILABLE-FOR-SALE |  | Cost |  |  | Gains |  |  | Losses |  |  | Values |  |  | ACL |
U.S. agency securities |  | $ | 21,151 |  |  | $ | 46 |  |  | $ | (3,179 | ) |  | $ | 18,018 |  |  | $ | — |
Corporate securities |  |  | 13,000 |  |  |  | 613 |  |  |  | (741 | ) |  |  | 12,872 |  |  |  | — |
Municipal bonds |  |  | 138,803 |  |  |  | 42 |  |  |  | (19,398 | ) |  |  | 119,447 |  |  |  | — |
Mortgage-backed securities |  |  | 112,855 |  |  |  | 238 |  |  |  | (11,845 | ) |  |  | 101,248 |  |  |  | — |
U.S. Small Business Administration securities |  |  | 42,886 |  |  |  | — |  |  |  | (1,538 | ) |  |  | 41,348 |  |  |  | — |
Total securities available-for-sale |  |  | 328,695 |  |  |  | 939 |  |  |  | (36,701 | ) |  |  | 292,933 |  |  |  | — |
SECURITIES HELD-TO-MATURITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate securities |  |  | 8,500 |  |  |  | — |  |  |  | (834 | ) |  |  | 7,666 |  |  |  | 45 |
Total securities held-to-maturity |  |  | 8,500 |  |  |  | — |  |  |  | (834 | ) |  |  | 7,666 |  |  |  | 45 |
Total securities |  | $ | 337,195 |  |  | $ | 939 |  |  | $ | (37,535 | ) |  | $ | 300,599 |  |  | $ | 45 |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] |
SECURITIES HELD-TO-MATURITY |  | For the Three Months Ended September 30, |
Corporate Securities |  | 2024 |  |  | 2023 |
Beginning ACL balance |  | $ | 45 |  |  | $ | 31 |
Provision for credit losses |  |  | — |  |  |  | 14 |
Total ending ACL balance |  | $ | 45 |  |  | $ | 45 |
SECURITIES HELD-TO-MATURITY |  | For the Nine Months Ended September 30, |
Corporate Securities |  | 2024 |  |  | 2023 |
Beginning ACL balance |  | $ | 45 |  |  | $ | 31 |
Provision for credit losses |  |  | — |  |  |  | 14 |
Total ending ACL balance |  | $ | 45 |  |  | $ | 45 |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table Text Block] |
|  | September 30, |  |  | December 31, |
Corporate securities |  | 2024 |  |  | 2023 |
BBB/BBB- |  | $ | 8,500 |  |  | $ | 7,000 |
BB+ |  |  | — |  |  |  | 1,500 |
Total |  | $ | 8,500 |  |  | $ | 8,500 |
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block] |
|  | September 30, 2024 |
Purpose or beneficiary |  | Carrying Value |  |  | Amortized Cost |  |  | Fair Value |
State and local government public deposits |  | $ | 35,505 |  |  | $ | 40,492 |  |  | $ | 35,505 |
Gain (Loss) on Securities [Table Text Block] |
|  | September 30, 2024 |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
SECURITIES AVAILABLE-FOR-SALE |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. agency securities |  | $ | — |  |  | $ | — |  |  | $ | 15,653 |  |  | $ | (2,590 | ) |  | $ | 15,653 |  |  | $ | (2,590 | )
Corporate securities |  |  | 3,864 |  |  |  | (136 | ) |  |  | 5,400 |  |  |  | (600 | ) |  |  | 9,264 |  |  |  | (736 | )
Municipal bonds |  |  | 44 |  |  |  | — |  |  |  | 70,584 |  |  |  | (10,738 | ) |  |  | 70,628 |  |  |  | (10,738 | )
Mortgage-backed securities |  |  | 9,492 |  |  |  | (37 | ) |  |  | 67,032 |  |  |  | (9,441 | ) |  |  | 76,524 |  |  |  | (9,478 | )
U.S. Small Business Administration securities |  |  | 3,806 |  |  |  | (45 | ) |  |  | 7,451 |  |  |  | (925 | ) |  |  | 11,257 |  |  |  | (970 | )
Total securities available-for-sale |  |  | 17,206 |  |  |  | (218 | ) |  |  | 166,120 |  |  |  | (24,294 | ) |  |  | 183,326 |  |  |  | (24,512 | )
SECURITIES HELD-TO-MATURITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate securities |  |  | — |  |  |  | — |  |  |  | 7,983 |  |  |  | (517 | ) |  |  | 7,983 |  |  |  | (517 | )
Total securities held-to-maturity |  |  | — |  |  |  | — |  |  |  | 7,983 |  |  |  | (517 | ) |  |  | 7,983 |  |  |  | (517 | )
Total securities |  | $ | 17,206 |  |  | $ | (218 | ) |  | $ | 174,103 |  |  | $ | (24,811 | ) |  | $ | 191,309 |  |  | $ | (25,029 | )
|  | December 31, 2023 |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
SECURITIES AVAILABLE-FOR-SALE |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. agency securities |  | $ | — |  |  | $ | — |  |  | $ | 15,972 |  |  | $ | (3,179 | ) |  | $ | 15,972 |  |  | $ | (3,179 | )
Corporate securities |  |  | 959 |  |  |  | (41 | ) |  |  | 4,300 |  |  |  | (700 | ) |  |  | 5,259 |  |  |  | (741 | )
Municipal bonds |  |  | 3,922 |  |  |  | (23 | ) |  |  | 113,577 |  |  |  | (19,375 | ) |  |  | 117,499 |  |  |  | (19,398 | )
Mortgage-backed securities |  |  | 20,662 |  |  |  | (113 | ) |  |  | 67,376 |  |  |  | (11,732 | ) |  |  | 88,038 |  |  |  | (11,845 | )
U.S. Small Business Administration securities |  |  | 33,211 |  |  |  | (460 | ) |  |  | 8,137 |  |  |  | (1,078 | ) |  |  | 41,348 |  |  |  | (1,538 | )
Total securities available-for-sale |  |  | 58,754 |  |  |  | (637 | ) |  |  | 209,362 |  |  |  | (36,064 | ) |  |  | 268,116 |  |  |  | (36,701 | )
SECURITIES HELD-TO-MATURITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate securities |  |  | — |  |  |  | — |  |  |  | 7,666 |  |  |  | (834 | ) |  |  | 7,666 |  |  |  | (834 | )
Total securities held-to-maturity |  |  | — |  |  |  | — |  |  |  | 7,666 |  |  |  | (834 | ) |  |  | 7,666 |  |  |  | (834 | )
Total securities |  | $ | 58,754 |  |  | $ | (637 | ) |  | $ | 217,028 |  |  | $ | (36,898 | ) |  | $ | 275,782 |  |  | $ | (37,535 | )
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | September 30, 2024 |  |  | December 31, 2023 |
SECURITIES AVAILABLE-FOR-SALE |  | Amortized |  |  | Fair |  |  | Amortized |  |  | Fair |
U.S. agency securities |  | Cost |  |  | Value |  |  | Cost |  |  | Value |
Due within one year |  | $ | — |  |  | $ | — |  |  | $ | 922 |  |  | $ | 914 |
Due after one year through five years |  |  | 4,958 |  |  |  | 4,663 |  |  |  | 3,947 |  |  |  | 3,544 |
Due after five years through ten years |  |  | 10,974 |  |  |  | 9,470 |  |  |  | 11,972 |  |  |  | 10,139 |
Due after ten years |  |  | 4,310 |  |  |  | 3,549 |  |  |  | 4,310 |  |  |  | 3,421 |
Subtotal |  |  | 20,242 |  |  |  | 17,682 |  |  |  | 21,151 |  |  |  | 18,018 |
Corporate securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due within one year |  |  | — |  |  |  | — |  |  |  | 1,000 |  |  |  | 1,004 |
Due after one year through five years |  |  | 10,000 |  |  |  | 10,004 |  |  |  | 6,000 |  |  |  | 6,609 |
Due after five years through ten years |  |  | 4,000 |  |  |  | 3,944 |  |  |  | 4,000 |  |  |  | 3,839 |
Due after ten years |  |  | 2,000 |  |  |  | 1,456 |  |  |  | 2,000 |  |  |  | 1,420 |
Subtotal |  |  | 16,000 |  |  |  | 15,404 |  |  |  | 13,000 |  |  |  | 12,872 |
Municipal bonds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due within one year |  |  | — |  |  |  | — |  |  |  | 1,013 |  |  |  | 1,003 |
Due after one year through five years |  |  | 74 |  |  |  | 74 |  |  |  | 757 |  |  |  | 751 |
Due after five years through ten years |  |  | 6,295 |  |  |  | 5,991 |  |  |  | 7,603 |  |  |  | 7,101 |
Due after ten years |  |  | 76,691 |  |  |  | 66,261 |  |  |  | 129,430 |  |  |  | 110,592 |
Subtotal |  |  | 83,060 |  |  |  | 72,326 |  |  |  | 138,803 |  |  |  | 119,447 |
Mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association (“FNMA”) |  |  | 82,062 |  |  |  | 73,923 |  |  |  | 76,369 |  |  |  | 66,275 |
Federal Home Loan Mortgage Corporation (“FHLMC”) |  |  | 27,525 |  |  |  | 26,911 |  |  |  | 32,311 |  |  |  | 31,376 |
Government National Mortgage Association (“GNMA”) |  |  | 10,549 |  |  |  | 10,085 |  |  |  | 4,175 |  |  |  | 3,597 |
Subtotal |  |  | 120,136 |  |  |  | 110,919 |  |  |  | 112,855 |  |  |  | 101,248 |
U.S. Small Business Administration securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due within one year |  |  | 203 |  |  |  | 200 |  |  |  | 198 |  |  |  | 196 |
Due after one year through five years |  |  | 1,073 |  |  |  | 1,046 |  |  |  | 1,860 |  |  |  | 1,824 |
Due after five years through ten years |  |  | 2,868 |  |  |  | 2,679 |  |  |  | 21,420 |  |  |  | 20,929 |
Due after ten years |  |  | 8,690 |  |  |  | 7,943 |  |  |  | 19,408 |  |  |  | 18,399 |
Subtotal |  |  | 12,834 |  |  |  | 11,868 |  |  |  | 42,886 |  |  |  | 41,348 |
Total securities available-for-sale |  |  | 252,272 |  |  |  | 228,199 |  |  |  | 328,695 |  |  |  | 292,933 |
SECURITIES HELD-TO-MATURITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due after five years through ten years |  |  | 8,500 |  |  |  | 7,983 |  |  |  | 8,500 |  |  |  | 7,666 |
Total securities held-to-maturity |  |  | 8,500 |  |  |  | 7,983 |  |  |  | 8,500 |  |  |  | 7,666 |
Total securities |  | $ | 260,772 |  |  | $ | 236,182 |  |  | $ | 337,195 |  |  | $ | 300,599 |
Schedule of Realized Gain (Loss) [Table Text Block] |
|  | For the Three Months Ended |
|  | September 30, 2024 |
|  |  |  |  |  | Gross |  |  | Gross |
|  | Proceeds |  |  | Gains |  |  | (Losses) |
Securities available-for-sale |  | $ | 3,448 |  |  | $ | 11 |  |  | $ | — |
|  | For the Nine Months Ended |
|  | September 30, 2024 |
|  |  |  |  |  | Gross |  |  | Gross |
|  | Proceeds |  |  | Gains |  |  | (Losses) |
Securities available-for-sale |  | $ | 101,907 |  |  | $ | 215 |  |  | $ | (8,051 | )

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